package com.cy.pj.common.config;

import org.apache.shiro.cache.CacheManager;
import org.apache.shiro.cache.MemoryConstrainedCacheManager;
import org.apache.shiro.mgt.RememberMeManager;
import org.apache.shiro.realm.Realm;
import org.apache.shiro.session.mgt.SessionManager;
import org.apache.shiro.spring.security.interceptor.AuthorizationAttributeSourceAdvisor;
import org.apache.shiro.web.mgt.CookieRememberMeManager;
import org.apache.shiro.web.mgt.DefaultWebSecurityManager;
import org.apache.shiro.mgt.SecurityManager;
import org.apache.shiro.spring.web.ShiroFilterFactoryBean;
import org.apache.shiro.web.servlet.SimpleCookie;
import org.apache.shiro.web.session.mgt.DefaultWebSessionManager;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.util.LinkedHashMap;

import java.util.Map;

@Configuration
public class SpringShiroConfig {
    @Bean
    public SecurityManager securityManager(Realm realm,CacheManager cacheManager,
                                           RememberMeManager rememberManager,
                                           SessionManager sessionManager) {
        DefaultWebSecurityManager securityManager = new DefaultWebSecurityManager();
        securityManager.setRealm(realm);
        securityManager.setCacheManager(cacheManager);
        securityManager.setRememberMeManager(rememberManager);
        securityManager.setSessionManager(sessionManager);
        return securityManager;
    }

    @Bean
    public ShiroFilterFactoryBean shiroFilterFactoryBean(SecurityManager securityManager) {
        ShiroFilterFactoryBean factoryBean = new ShiroFilterFactoryBean();
        factoryBean.setSecurityManager(securityManager);
        factoryBean.setLoginUrl("/doLoginUI");
        Map<String, String> filterMap = new LinkedHashMap<>();
        //静态资源允许匿名访问:"anon"
        filterMap.put("/bower_components/**","anon");
        filterMap.put("/build/**","anon");
        filterMap.put("/dist/**","anon");
        filterMap.put("/plugins/**","anon");

        filterMap.put("/user/doLogin", "anon");
        filterMap.put("/doLogout","logout");
        //除了匿名访问的资源,其它都要认证("authc")后访问
        filterMap.put("/**","user");
        factoryBean.setFilterChainDefinitionMap(filterMap);
        return factoryBean;
    }

    @Bean
    public AuthorizationAttributeSourceAdvisor authorizationAttributeSourceAdvisor (
            SecurityManager securityManager) {
        AuthorizationAttributeSourceAdvisor advisor=
                new AuthorizationAttributeSourceAdvisor();
        advisor.setSecurityManager(securityManager);
        return advisor;
    }

    @Bean
    public CacheManager shiroCacheManager(){
        return new MemoryConstrainedCacheManager();
    }

    @Bean
    public RememberMeManager rememberMeManager() {
        CookieRememberMeManager cManager=
                new CookieRememberMeManager();
        SimpleCookie cookie=new SimpleCookie("rememberMe");
        cookie.setMaxAge(7*24*60*60);
        cManager.setCookie(cookie);
        return cManager;
    }

    @Bean
    public SessionManager sessionManager() {
        DefaultWebSessionManager sManager= new DefaultWebSessionManager();
        sManager.setGlobalSessionTimeout(60*60*1000);
        sManager.setSessionIdUrlRewritingEnabled(false);
        return sManager;
    }
}
